結果
問題 | No.409 ダイエット |
ユーザー | uwi |
提出日時 | 2016-08-06 01:02:56 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 148 ms / 2,000 ms |
コード長 | 3,996 bytes |
コンパイル時間 | 4,924 ms |
コンパイル使用メモリ | 86,600 KB |
実行使用メモリ | 58,956 KB |
最終ジャッジ日時 | 2023-09-08 16:55:47 |
合計ジャッジ時間 | 15,416 ms |
ジャッジサーバーID (参考情報) |
judge14 / judge13 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 42 ms
49,312 KB |
testcase_01 | AC | 41 ms
49,196 KB |
testcase_02 | AC | 42 ms
49,252 KB |
testcase_03 | AC | 42 ms
49,332 KB |
testcase_04 | AC | 42 ms
49,236 KB |
testcase_05 | AC | 42 ms
49,204 KB |
testcase_06 | AC | 42 ms
49,080 KB |
testcase_07 | AC | 42 ms
49,220 KB |
testcase_08 | AC | 42 ms
49,196 KB |
testcase_09 | AC | 42 ms
49,064 KB |
testcase_10 | AC | 42 ms
49,328 KB |
testcase_11 | AC | 42 ms
49,380 KB |
testcase_12 | AC | 42 ms
49,276 KB |
testcase_13 | AC | 42 ms
49,088 KB |
testcase_14 | AC | 42 ms
49,184 KB |
testcase_15 | AC | 42 ms
49,380 KB |
testcase_16 | AC | 42 ms
49,184 KB |
testcase_17 | AC | 42 ms
49,092 KB |
testcase_18 | AC | 42 ms
49,208 KB |
testcase_19 | AC | 42 ms
49,220 KB |
testcase_20 | AC | 42 ms
49,392 KB |
testcase_21 | AC | 42 ms
49,336 KB |
testcase_22 | AC | 43 ms
49,336 KB |
testcase_23 | AC | 42 ms
49,096 KB |
testcase_24 | AC | 42 ms
49,376 KB |
testcase_25 | AC | 42 ms
49,204 KB |
testcase_26 | AC | 42 ms
49,288 KB |
testcase_27 | AC | 42 ms
49,204 KB |
testcase_28 | AC | 42 ms
49,340 KB |
testcase_29 | AC | 42 ms
49,420 KB |
testcase_30 | AC | 42 ms
49,336 KB |
testcase_31 | AC | 43 ms
49,188 KB |
testcase_32 | AC | 42 ms
49,224 KB |
testcase_33 | AC | 43 ms
49,288 KB |
testcase_34 | AC | 43 ms
49,288 KB |
testcase_35 | AC | 47 ms
49,216 KB |
testcase_36 | AC | 47 ms
49,332 KB |
testcase_37 | AC | 47 ms
49,264 KB |
testcase_38 | AC | 47 ms
49,220 KB |
testcase_39 | AC | 47 ms
49,208 KB |
testcase_40 | AC | 46 ms
49,100 KB |
testcase_41 | AC | 47 ms
49,288 KB |
testcase_42 | AC | 47 ms
49,152 KB |
testcase_43 | AC | 47 ms
49,192 KB |
testcase_44 | AC | 47 ms
49,196 KB |
testcase_45 | AC | 47 ms
49,332 KB |
testcase_46 | AC | 47 ms
49,376 KB |
testcase_47 | AC | 46 ms
49,180 KB |
testcase_48 | AC | 48 ms
49,232 KB |
testcase_49 | AC | 47 ms
49,344 KB |
testcase_50 | AC | 46 ms
49,260 KB |
testcase_51 | AC | 47 ms
49,220 KB |
testcase_52 | AC | 47 ms
49,348 KB |
testcase_53 | AC | 47 ms
49,092 KB |
testcase_54 | AC | 47 ms
49,140 KB |
testcase_55 | AC | 124 ms
56,096 KB |
testcase_56 | AC | 88 ms
54,220 KB |
testcase_57 | AC | 145 ms
58,636 KB |
testcase_58 | AC | 111 ms
54,524 KB |
testcase_59 | AC | 145 ms
56,500 KB |
testcase_60 | AC | 108 ms
54,540 KB |
testcase_61 | AC | 144 ms
58,724 KB |
testcase_62 | AC | 135 ms
58,632 KB |
testcase_63 | AC | 130 ms
58,536 KB |
testcase_64 | AC | 125 ms
56,780 KB |
testcase_65 | AC | 137 ms
58,404 KB |
testcase_66 | AC | 147 ms
58,544 KB |
testcase_67 | AC | 131 ms
57,832 KB |
testcase_68 | AC | 140 ms
56,368 KB |
testcase_69 | AC | 130 ms
58,360 KB |
testcase_70 | AC | 136 ms
56,564 KB |
testcase_71 | AC | 124 ms
56,364 KB |
testcase_72 | AC | 140 ms
58,368 KB |
testcase_73 | AC | 138 ms
58,484 KB |
testcase_74 | AC | 125 ms
56,356 KB |
testcase_75 | AC | 146 ms
58,956 KB |
testcase_76 | AC | 131 ms
56,440 KB |
testcase_77 | AC | 136 ms
54,340 KB |
testcase_78 | AC | 131 ms
56,776 KB |
testcase_79 | AC | 137 ms
54,620 KB |
testcase_80 | AC | 148 ms
58,468 KB |
testcase_81 | AC | 139 ms
58,520 KB |
testcase_82 | AC | 131 ms
56,420 KB |
testcase_83 | AC | 134 ms
56,584 KB |
testcase_84 | AC | 131 ms
56,596 KB |
testcase_85 | AC | 81 ms
51,604 KB |
testcase_86 | AC | 129 ms
56,472 KB |
testcase_87 | AC | 135 ms
56,304 KB |
testcase_88 | AC | 113 ms
54,540 KB |
testcase_89 | AC | 137 ms
56,516 KB |
testcase_90 | AC | 110 ms
54,644 KB |
testcase_91 | AC | 144 ms
56,276 KB |
ソースコード
package contest; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; public class N409 { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int n = ni(); long a = ni(), b = ni(), w = ni(); int[] d = Arrays.copyOf(na(n), n+1); long[] dp = new long[n+2]; dp[0] = w; // dp+b(x-t)(x-t-1)/2-a(x-t) // b/2*x^2+x((-bt-bt+b)/2-a)+dp+bt(t+1)/2+at if(b == 0){ out.println(w-(long)a*n); return; } int[] q = new int[n+2]; long[] qw = new long[n+2]; int qp = 0; for(int i = 1;i <= n+1;i++){ int x = i-1; long B = -b*x; long C = dp[x] + b*x*(x+1)/2+a*x; long lwhen = Long.MIN_VALUE; while(qp > 0){ int lx = q[qp-1]; long LB = -b*lx; long LC = dp[lx] + b*lx*(lx+1)/2+a*lx; // B*x+C <= LB*x+LC long when = (C-LC+(LB-B-1))/(LB-B); if(qw[qp-1] >= when){ qp--; }else{ lwhen = when; break; } } q[qp] = x; qw[qp] = lwhen; qp++; int ind = Arrays.binarySearch(qw, 0, qp, i); if(ind < 0)ind = -ind-2; x = q[ind]; long val = dp[x] + b*(i-x)*(i-x-1)/2 - a*(i-x-1); dp[i] = val + d[i-1]; } out.println(dp[n+1]); } void run() throws Exception { is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes()); out = new PrintWriter(System.out); long s = System.currentTimeMillis(); solve(); out.flush(); if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms"); // Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){ // @Override // public void run() { // long s = System.currentTimeMillis(); // solve(); // out.flush(); // if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms"); // } // }; // t.start(); // t.join(); } public static void main(String[] args) throws Exception { new N409().run(); } private byte[] inbuf = new byte[1024]; private int lenbuf = 0, ptrbuf = 0; private int readByte() { if(lenbuf == -1)throw new InputMismatchException(); if(ptrbuf >= lenbuf){ ptrbuf = 0; try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); } if(lenbuf <= 0)return -1; } return inbuf[ptrbuf++]; } private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); } private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; } private double nd() { return Double.parseDouble(ns()); } private char nc() { return (char)skip(); } private String ns() { int b = skip(); StringBuilder sb = new StringBuilder(); while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ') sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } private char[] ns(int n) { char[] buf = new char[n]; int b = skip(), p = 0; while(p < n && !(isSpaceChar(b))){ buf[p++] = (char)b; b = readByte(); } return n == p ? buf : Arrays.copyOf(buf, p); } private int[] na(int n) { int[] a = new int[n]; for(int i = 0;i < n;i++)a[i] = ni(); return a; } private long[] nal(int n) { long[] a = new long[n]; for(int i = 0;i < n;i++)a[i] = nl(); return a; } private char[][] nm(int n, int m) { char[][] map = new char[n][]; for(int i = 0;i < n;i++)map[i] = ns(m); return map; } private int[][] nmi(int n, int m) { int[][] map = new int[n][]; for(int i = 0;i < n;i++)map[i] = na(m); return map; } private int ni() { return (int)nl(); } private long nl() { long num = 0; int b; boolean minus = false; while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-')); if(b == '-'){ minus = true; b = readByte(); } while(true){ if(b >= '0' && b <= '9'){ num = num * 10 + (b - '0'); }else{ return minus ? -num : num; } b = readByte(); } } private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); } }